Back and shoulder massager



FIG. 1 is a perspective view of a back and shoulder massager showing my new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a side view thereof; and,

FIG. 7 is another side view thereof. 

The ornamental design for a back and shoulder massager, as shown and described. 